1 /* $OpenBSD: bufec.c,v 1.4 2014/04/30 05:29:56 djm Exp $ */
2
3 /*
4 * Copyright (c) 2012 Damien Miller <djm@mindrot.org>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 /* Emulation wrappers for legacy OpenSSH buffer API atop sshbuf */
20
21 #include "includes.h"
22
23 #include <sys/types.h>
24
25 #include "buffer.h"
26 #include "log.h"
27 #include "ssherr.h"
28
29 #ifdef OPENSSL_HAS_ECC
30
31 int
buffer_put_ecpoint_ret(Buffer * buffer,const EC_GROUP * curve,const EC_POINT * point)32 buffer_put_ecpoint_ret(Buffer *buffer, const EC_GROUP *curve,
33 const EC_POINT *point)
34 {
35 int ret;
36
37 if ((ret = sshbuf_put_ec(buffer, point, curve)) != 0) {
38 error("%s: %s", __func__, ssh_err(ret));
39 return -1;
40 }
41 return 0;
42 }
43
44 void
buffer_put_ecpoint(Buffer * buffer,const EC_GROUP * curve,const EC_POINT * point)45 buffer_put_ecpoint(Buffer *buffer, const EC_GROUP *curve,
46 const EC_POINT *point)
47 {
48 if (buffer_put_ecpoint_ret(buffer, curve, point) == -1)
49 fatal("%s: buffer error", __func__);
50 }
51
52 int
buffer_get_ecpoint_ret(Buffer * buffer,const EC_GROUP * curve,EC_POINT * point)53 buffer_get_ecpoint_ret(Buffer *buffer, const EC_GROUP *curve,
54 EC_POINT *point)
55 {
56 int ret;
57
58 if ((ret = sshbuf_get_ec(buffer, point, curve)) != 0) {
59 error("%s: %s", __func__, ssh_err(ret));
60 return -1;
61 }
62 return 0;
63 }
64
65 void
buffer_get_ecpoint(Buffer * buffer,const EC_GROUP * curve,EC_POINT * point)66 buffer_get_ecpoint(Buffer *buffer, const EC_GROUP *curve,
67 EC_POINT *point)
68 {
69 if (buffer_get_ecpoint_ret(buffer, curve, point) == -1)
70 fatal("%s: buffer error", __func__);
71 }
72
73 #endif /* OPENSSL_HAS_ECC */
74
75